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Cybersecurity

TurkQuish

A mobile client and inference service that scans QR codes and URLs, extracts features and returns a risk assessment with bilingual explanations.

TurkQuish interface
Role

Sole author — Flutter client and the URL inference service

What it does

Scans a QR code and returns URL risk classes with the features behind the result.

Built with
  • Flutter
  • Dart
  • Python
  • Machine learning

Overview

TurkQuish splits the work between a Flutter client and a Python inference service. The client decodes a QR payload on the device, checks whether it is a web URL, and sends only that decoded URL string to the backend — it never fetches the page, resolves DNS, queries WHOIS, takes a screenshot or calls a third-party reputation service, and the app states this on the screen before the first scan. The backend extracts features from the URL and returns class probabilities across benign, phishing, malware, fraud and other-malicious, together with the feature groups that contributed most to the result. Explanations are rendered in both English and Turkish. Scan history is kept locally, storing the domain or a masked URL alongside the class, risk score, timestamp and model version.

What it does

  • On-device QR decoding; only the decoded URL string leaves the phone
  • Class probabilities across benign, phishing, malware, fraud and other-malicious
  • Explanations naming the feature groups that contributed most to the result
  • Bilingual English and Turkish output
  • Local scan history storing domain or masked URL, class, score and model version
  • Explicit privacy screen stating what is and is not sent to the backend

Captures from the project's own repository.

  • Preview screen showing the decoded URL and host before analysis.
    Decoded URL preview
  • Privacy screen listing exactly what is sent to the backend and what is not.
    URL-only privacy design
  • Locally stored history of previous URL scans.
    Scan history

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